fix some more issues

bin/bundix

@@ -83,14 +83,15 @@ if options[:magic]
 end
 
 if options[:init]
+  shell_nix = File.read(File.expand_path('../template/shell.nix', __dir__))
+  shell_nix.gsub!('PROJECT', File.basename(Dir.pwd))
+  shell_nix.gsub!('RUBY', options[:ruby])
+  shell_nix.gsub!('LOCKFILE', "./#{Pathname(options[:lockfile]).relative_path_from(Pathname('./'))}")
+  shell_nix.gsub!('GEMSET', "./#{Pathname(options[:gemset]).relative_path_from(Pathname('./'))}")
   if File.file?('shell.nix')
-    warn "won't override existing shell.nix"
+    warn "won't override existing shell.nix but here is what it'd look like:"
+    puts shell_nix
   else
-    shell_nix = File.read(File.expand_path('../template/shell.nix', __dir__))
-    shell_nix.gsub!('PROJECT', File.basename(Dir.pwd))
-    shell_nix.gsub!('RUBY', options[:ruby])
-    shell_nix.gsub!('LOCKFILE', "./#{Pathname(options[:lockfile]).relative_path_from(Pathname('./'))}")
-    shell_nix.gsub!('GEMSET', "./#{Pathname(options[:gemset]).relative_path_from(Pathname('./'))}")
     File.write('shell.nix', shell_nix)
   end
 end
@@ -99,6 +100,10 @@ if options[:lock]
   lock = !File.file?(options[:lockfile])
   lock ||= File.mtime(options[:gemfile]) > File.mtime(options[:lockfile])
   if lock
+    ENV.delete('BUNDLE_PATH')
+    ENV.delete('BUNDLE_GEMFILE')
+    ENV.delete('BUNDLE_FROZEN')
+    ENV.delete('BUNDLE_BIN_PATH')
     system('bundle', 'lock')
     fail 'bundle lock failed' unless $?.success?
   end

bundix.gemspec

@@ -8,7 +8,9 @@ Gem::Specification.new do |s|
   s.summary     = 'Creates Nix packages from Gemfiles.'
   s.description = 'Creates Nix packages from Gemfiles.'
   s.authors     = ["Michael 'manveru' Fellinger"]
-  s.files       = Dir['bin/*'] + Dir['lib/**/*.{rb,nix}']
+  s.files       = Dir['bin/*'] +
+                  Dir['lib/**/*.{rb,nix}'] +
+                  Dir['template/**/*.{rb,nix}']
   s.bindir      = 'bin'
   s.executables = ['bundix']
   s.add_runtime_dependency 'bundler', '~> 1.11'

default.nix

@@ -6,7 +6,7 @@
   nix-prefetch-git ? pkgs.nix-prefetch-git,
 }:
 pkgs.stdenv.mkDerivation rec {
-  version = "2.3.0";
+  version = "2.3.1";
   name = "bundix";
   src = ./.;
   phases = "installPhase";

lib/bundix.rb

@@ -38,7 +38,9 @@ def convert
       gem = find_cached_spec(spec, cache) || convert_spec(spec, cache)
       gems.merge!(gem)
 
-      gems[spec.name]['dependencies'] = spec.dependencies.map(&:name) - ['bundler']
+      if spec.dependencies.any?
+        gems[spec.name]['dependencies'] = spec.dependencies.map(&:name) - ['bundler']
+      end
     end
   end
 

lib/bundix/source.rb

@@ -25,7 +25,8 @@ def download(file, url)
         uri.user = nil
         uri.password = nil
       end
-      open(uri, 'r', 0600, open_options) do |net|
+
+      open(uri.to_s, 'r', 0600, open_options) do |net|
         File.open(file, 'wb+') { |local|
           File.copy_stream(net, local)
         }
@@ -37,10 +38,7 @@ def nix_prefetch_url(url)
       FileUtils.mkdir_p dir
       file = File.join(dir, url.gsub(/[^\w-]+/, '_'))
 
-      unless File.size?(file)
-        download(file, url)
-      end
-
+      download(file, url) unless File.size?(file)
       return unless File.size?(file)
 
       sh('nix-prefetch-url', '--type', 'sha256', "file://#{file}")
@@ -62,7 +60,7 @@ def fetch_local_hash(spec)
       spec.source.caches.each do |cache|
         path = File.join(cache, "#{spec.name}-#{spec.version}.gem")
         next unless File.file?(path)
-        hash = nix_prefetch_url("file://#{path}")[SHA256_32]
+        hash = nix_prefetch_url(path)[SHA256_32]
         return hash if hash
       end
 

lib/bundix/version.rb

@@ -1,3 +1,3 @@
 class Bundix
-  VERSION = '2.3.0'
+  VERSION = '2.3.1'
 end